[SPARK-4920][UI] add version on master and worker page for standalone mode

[liyezhang556520]

No description provided.

[SparkQA]

Test build #24722 has finished for PR 3769 at commit 3bb7e0d.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[JoshRosen]

Here's a screenshot of what this looks like on various pages:

Master:

Log viewer:

Worker:

Before:

Here's what it looked like before:

I think the extra horizontal space looks a little odd, but that's only because I'm using a SNAPSHOT version; it should look fine for releases. Therefore, I'm inclined to merge this unless anyone has objections.

[liyezhang556520]

@JoshRosen , is this PR ready to merge?

[JoshRosen]

This looks good to me, so I'll merge it. Thanks for the reminder.

Before I merge this, though, I'm going to hotfix the package-level SPARK_VERSION into the backport branches, since I accidentally broke those builds the last time I merged a fix using org.apache.spark.SPARK_VERSION.

[JoshRosen]

I've made the SPARK_VERSION change in the maintenance branches, so I'm now going to merge this into master (1.3.0), branch-1.2 (1.2.1), branch-1.1 (1.1.2), and branch-1.0 (1.0.3). Thanks!

[JoshRosen]

Actually, it looks like there are other patches that need to be cherry-picked before this can be pulled into branch-1.1 (1.1.2) and branch-1.0 (1.0.3); I'll tag this in JIRA for followup and handle it myself.